Gubert Manzano, Alfredo
Current rating: 1434
| Grand Prix Sao Paulo 2019 (modern) | starting rating: 1467 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 396 | Tostes Lemos, Rodolfo (1594) | Lost 0-2 | -161451 |
| 2modern | 385 | Machado, Max (1450) | Draw 1-1 | 01451 |
| 3modern | 568 | Barciella, Francisco (1483) | Won 2-0 | +191470 |
| 4modern | 420 | Giacomini Kiefer, Giuseppe (1550) | Lost 1-2 | -171453 |
| 5modern | 509 | Bartolomei Da Silveira, Giovani (1403) | Lost 0-2 | -191434 |
| top | average opponent: 1496record: 1-3-1 | new rating: 1434 | ||
| Grand Prix Sao Paulo 2018 (modern) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 363 | Hidalgo, Mauricio (1538) | Won 2-1 | +191501 |
| 2modern | 329 | Mayer Junior, Edmundo (1524) | Lost 0-2 | -171484 |
| 3modern | 388 | Monegat De Gaspari, Mateus (1502) | Draw 1-1 | 01484 |
| 4modern | 436 | Affonso Lanzi, Luis Augusto (1500) | Won 2-1 | +181502 |
| 5modern | 281 | Horta, Vitor (1519) | Lost 0-2 | -171485 |
| 6modern | 398 | Pisicchio, Antonio (1504) | Lost 0-2 | -181467 |
| top | average opponent: 1515record: 2-3-1 | new rating: 1467 | ||
| Grand Prix Sao Paulo 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 243 | Soares, Germano (1500) | Lost 1-2 | -181482 |
| 2modern | 505 | Pacheco, Leandro (1483) | Won 2-0 | +181500 |
| 3modern | 270 | Barandas Almeida, Caio (1499) | Lost 1-2 | -181482 |
| 4modern | 398 | Dresdi, Rafael (1482) | Lost 0-2 | -181464 |
| 5modern | 518 | Morita, Bruno (1464) | Won 2-1 | +181482 |
| 6modern | 431 | Martins Michels, Eliud (1467) | Lost 0-2 | -181464 |
| 7modern | 447 | Ferracini, Vinicius (1461) | Won 2-0 | +181482 |
| 8modern | 385 | Selbach, Rafael (1519) | Won 2-1 | +181500 |
| 9modern | 313 | Ferreira Egypto Rosa Decarvalho, Bruno (1488) | Lost 0-2 | -181482 |
| top | average opponent: 1485record: 4-5 | new rating: 1482 | ||